Bump io.projectreactor:reactor-core (#1261)

Bumps [io.projectreactor:reactor-core](https://github.com/reactor/reactor-core) from 3.5.10 to 3.5.11.
- [Release notes](https://github.com/reactor/reactor-core/releases)
- [Commits](reactor/reactor-core@v3.5.10...v3.5.11)

---
updated-dependencies:
- dependency-name: io.projectreactor:reactor-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

examples/coalescing-bulkloader-reactor/gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 caffeine = "3.1.8"
 junit = "5.10.0"
-reactor = "3.5.10"
+reactor = "3.5.11"
 truth = "1.1.5"
 versions = "0.49.0"